That sliver of colour showing in the elevator core (and the louvers for the bent ventilation shaft being the only element with colour) is so uptight Toronto where outward displays of pleasure is verboten. On a side note, Richard Rogers is retiring:
He overcame controversy to become one of a handful of architects credited with shaping modern cities.
www.bbc.com
And they will be dropping the R in RSH within 2 years, according to the article.
Also from said Architectural Plans:
Hey the louvers on the north end are red!!
(Credits: Oxford/RSH)
AoD